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What should a new HP Tuners user know before tuning their first vehicle?

  • Credits and licensing: a license is tied to the vehicle's VIN, controller serial number and operating system. Most engine computers take about 2 credits; after that you can reflash it as often as you like. Purchased credits appear after Help > Resync Interface in VCM Editor.
  • Read and save the stock file first — reading comes before licensing.
  • Hardware you'll want: a wideband. Narrowband sensors can't calibrate the whole range.
  • Order of work: injector data first, then drivability (idle, cruise, part throttle), WOT last.
  • Logging: VCM Scanner handles logging; aim for 15–20 minute logs covering every operating state.

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